Model comparison Synced Apr 6, 2026

Google: Nano Banana (Gemini 2.5 Flash Image) vs OpenAI: GPT-5 Image Mini

Side-by-side comparison of Google: Nano Banana (Gemini 2.5 Flash Image) and OpenAI: GPT-5 Image Mini. Compare pricing, context window, capabilities, and find out which is better for your workflow.

Verdict

strong confidence

OpenAI: GPT-5 Image Mini leads overall

OpenAI: GPT-5 Image Mini leads in price and context window and capabilities and max output, making it the stronger choice for most workflows. Google: Nano Banana (Gemini 2.5 Flash Image) remains a solid alternative depending on your specific needs.

Best for with Google: Nano Banana (Gemini 2.5 Flash Image)

No clear advantages identified

Best for with OpenAI: GPT-5 Image Mini

Budget-conscious workflowsLong document processingMulti-modal tasksLong-form content generation

Side-by-side

Technical specifications

	Google: Nano Banana (Gemini 2.5 Flash Image)	OpenAI: GPT-5 Image Mini
Provider	Google	OpenAI
Input price	$0.30/M	$3/M
Output price	$3/M	$2/M
Context window	33K	400K
Max output	33K	128K
Capabilities	Vision	Tool useVisionReasoning
Released	Oct 7, 2025	Oct 16, 2025

View Google: Nano Banana (Gemini 2.5 Flash Image) profile View OpenAI: GPT-5 Image Mini profile

Scoring breakdown